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Clean Water Act discharge permit · NPDES MTG071461

MSU MTPBS/VISUAL COMMUNICATIONS BUILDING ADDITION/RENOVATION, Bozeman, MT: NPDES MTG071461 discharge permit, effluent exceedances, inspections, penalties

MSU MTPBS/VISUAL COMMUNICATIONS BUILDING ADDITION/RENOVATION, held by AX&T Dirtworks, holds NPDES permit MTG071461, which discharges to East Gallatin River. EPA’s file records it issued June 30, 2026 and expiring April 30, 2030. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for MSU MTPBS/VISUAL COMMUNICATIONS BUILDING ADDITION/RENOVATION: its NPDES ID, its permit type and status, its dates, its address in Bozeman, Montana, its receiving water, and 5 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTG071461.

Identity

Facility as filedMSU MTPBS/VISUAL COMMUNICATIONS BUILDING ADDITION/RENOVATION
Permittee as filedAX&T Dirtworks
NPDES IDMTG071461
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJune 30, 2026
Expiration dateApril 30, 2030
AddressBozeman, MT 59715
Receiving waterEAST GALLATIN RIVER
SubwatershedEast Gallatin River-Bozeman (HUC 100200081301)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Turbidity400
Oil & Grease200
Duration200
Oil and grease visual200
Outfall observation,visual, y/n response200

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MTG071461.

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES MTG071461.

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

Watch this permit

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, MTG071461.

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  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

How we handle your data → Privacy

EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID MTG071461 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.